Posted by **Energy** on Wednesday, January 12, 2011 at 9:03pm.

1. A student is dragging a 5 kg box along the floor. He pulls on the rope with a 25 Newton force. The rope is 37 degrees above horizontal. As the box slides 10 meters, it goes from a speed of 3 m/s to a speed of 7 m/s.

a.) calculate the normal force on the box

b.) calculate the work the rope does on the box

c.) Calculate the box’s change in kinetic energy

d.) Calculate the work that friction does on the box.

e.) Calculate the force of friction on the box.

f.) Calculate the coefficient of sliding friction between the box and the floor.

g.) Calculate the student’s power.

## Answer this Question

## Related Questions

- physics - A student pulls on a rope attached to a box of books and moves the box...
- Physics - 1. Tyler pulls a box full of baby ferrets across the floor by means of...
- Physics - 2. Tyler pulls a box full of baby ferrets across the floor by means of...
- physics - A student moves a box of books down the hall by pulling on a rope ...
- physics - you drag a heavy box along a rough horizontal floor by a horizontal ...
- physics - you drag a heavy box along a rough horizontal floor by a horizontal ...
- Physics - A student decides to move a box of books into her dormitory room by ...
- physics - A box having a mass of 50kg is dragged across a horizontal floor by ...
- Physics - A student decides to move a box of books into her dormitory room by ...
- physics - a mule uses a rope to pull a box that weighs 3.0x10^2N across a level ...